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3447-6-8 — ARM,STEERING GEAR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3447-6-8: ARM,STEERING GEAR.

The ARM,STEERING GEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 0.500 INCHES NOMINAL IN, head_height: 0.337 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-632-7204, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
3447-6-8
NSN: 5340-00-632-7204
NIINs: 006327204, 011813925, 013589244
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length0.500 INCHES NOMINAL IN
head_height0.337 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
thread_length0.515 INCHES NOMINAL IN
fastener_length1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
single_shear_strengthERR-060
NSN5340-00-632-7204
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3447-6-8 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.500 INCHES NOMINAL IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.250 INCHES NOMINAL IN
•
FIRST LEG HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
FIRST LEG ANGLE: 83.5 DEGREES NOMINAL
•
FIRST LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH: 1.652 INCHES NOMINAL IN
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.500 INCHES NOMINAL IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.250 INCHES NOMINAL IN
FIRST LEG HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
FIRST LEG ANGLE83.5 DEGREES NOMINAL
FIRST LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH1.652 INCHES NOMINAL IN
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE
FIRST LEG CORNER RADIUS0.250 INCHES NOMINAL IN
SECOND LEG WIDTH2.100 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3447-6-8?
3447-6-8 is a ARM,STEERING GEAR.
What is the NSN for 3447-6-8?
3447-6-8 is cataloged in the U.S. Government catalog under NSN 5340-00-632-7204. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.